Foote, Cameron S. The fourth medium : how to use promotional literature to increase sales and profits / Cameron S. Foote. - Homewood, Ill. : Dow Jones-Irwin, c1986. - xxix, 226 p. : ill. ISBN: 0870949136 Subjects--Topical Terms: Sales promotion.Business literature.Communication in marketing. LC Class. No.: HF5438.5 / .F66 1986 Dewey Class. No.: 658.8/2�19